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altTab: do a step transition instead of fading in

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Commit 7596fdb46091c7b224dc3d1b64b95252cec1b468 makes the popup feel slow.
Instead of fading the popup in we wait a bit and show it instantly.

https://bugzilla.gnome.org/show_bug.cgi?id=652346
This commit is contained in:
Rui Matos 2011-07-20 19:59:58 +01:00
parent 8bc85d4a79
commit 10a0f2b614
1 changed files with 11 additions and 13 deletions
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24
js/ui/altTab.js
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@ -14,7 +14,7 @@ const Tweener = imports.ui.tweener;
const POPUP_APPICON_SIZE = 96;
const POPUP_SCROLL_TIME = 0.10; // seconds
const POPUP_FADE_IN_TIME = 0.4; // seconds
const POPUP_DELAY_TIMEOUT = 150; // milliseconds
const POPUP_FADE_OUT_TIME = 0.1; // seconds
const APP_ICON_HOVER_TIMEOUT = 200; // milliseconds
@ -53,6 +53,7 @@ AltTabPopup.prototype = {
this._currentWindow = -1;
this._thumbnailTimeoutId = 0;
this._motionTimeoutId = 0;
this._initialDelayTimeoutId = 0;
this.thumbnailsVisible = false;
@ -146,8 +147,6 @@ AltTabPopup.prototype = {
// Need to force an allocation so we can figure out whether we
// need to scroll when selecting
this.actor.opacity = 0;
this.actor.show();
this.actor.get_allocation_box();
// Make the initial selection
@ -183,16 +182,13 @@ AltTabPopup.prototype = {
return false;
}
// Using easeInOutExpo over 400ms gives us 150ms of "nearly
// invisible" (less than 10% opacity), followed by a 100ms
// tween in (to 90% opacity, with the last 10% coming over the
// next 150ms). So if the user releases Alt quickly after we
// start tweening, they'll never see the switcher.
Tweener.addTween(this.actor,
{ opacity: 255,
time: POPUP_FADE_IN_TIME,
transition: 'easeInOutExpo'
});
// We delay showing the popup so that fast Alt+Tab users aren't
// disturbed by the popup briefly flashing.
this._initialDelayTimeoutId = Mainloop.timeout_add(POPUP_DELAY_TIMEOUT,
Lang.bind(this, function () {
this.actor.show();
this._initialDelayTimeoutId = 0;
}));
return true;
},
@ -395,6 +391,8 @@ AltTabPopup.prototype = {
Mainloop.source_remove(this._motionTimeoutId);
if (this._thumbnailTimeoutId != 0)
Mainloop.source_remove(this._thumbnailTimeoutId);
if (this._initialDelayTimeoutId != 0)
Mainloop.source_remove(this._initialDelayTimeoutId);
},
/**